The present invention relates to a health-monitoring device for measuringblood or tissue indicators and a strip cassette suitable for use in connectionwith the device. The device comprises a body (6) having a first opening (5)and a second opening (4), a piercing means (7) having a piercing head andconnected to the body, the piercing means being arranged to extend from thefirst opening of the body and being cockable and further releasable forpiercing the skin with the piercing head, and a space (17) arranged inconnection with the body, into which space a number of sensor strips (12) canbe arranged so that the strips can be brought out from the body one at a time.According to the invention the device comprises a shutter (1) functionallyconnected to the body, the shutter being arranged to tightly close the firstand second openings of the body in its first position and which can be movedto the second position for allowing one sensor strip to be pushed from thefirst opening of the body into sampling position and for exposing the firstand second openings of the body. With the invention an easy to use, easilyportable and small device for repeated measurement of blood indicators can beproduced.